摄像头

use lager::LagerBox;

let lager = LagerBox::from_env()?;
let cam = lager.webcam("cam1");

pub struct WebcamStream {
    pub url: String,
    pub port: Option<i64>,
    pub already_running: bool,   // true when an existing stream was reused
}

pub struct WebcamStatus {
    pub running: bool,
    pub url: Option<String>,
    pub port: Option<i64>,
    pub video_device: Option<String>,   // e.g. "/dev/video0"
    pub source: Option<String>,         // which surface started the stream (box 0.47.0+)
    pub started_by: Option<String>,     // who started it
}

let s = cam.start()?;
println!("watch at {} (reused: {})", s.url, s.already_running);

cam.start()?;
std::fs::write("target/bench.jpg", cam.snapshot()?).expect("write the frame");

use lager::LagerBox;

let lager = LagerBox::from_env()?;
let cam = lager.webcam("cam1");

let stream = cam.start()?;
println!("::notice::watch the DUT at {}", stream.url);

let result = run_the_long_test(&lager);

cam.stop()?;
result?;